A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
NSN 6620-01-169-9470
NSN 6240-00-658-3207
NSN 6145-01-357-9530
NSN 5910-00-890-4737
NSN 6650-00-075-4983
NSN 6685-00-943-2270
NSN 6220-01-133-4286
NSN 5950-00-319-8589
NSN 4140-01-099-6657
NSN 6135-01-309-8414
NSN 7035-01-307-5366
NSN 5920-00-148-4622